Shift + Delete Keyboard Shortcut is not working as expected

Summary

Shift + Delete does not work as expected. When you use it to cut and copy to clipboard, it's not pasting the copied data.

Environment

Confluence 1000.0.0-7055c5d4644

Steps to Reproduce

1. Edit a page and copy the whole content using Ctrl + A
2. Copy and cut the whole content using Shift + Delete
3. Press Ctrl + V

Expected Results

• Shift + Delete should cut and copy the content to clipboard.

Actual Results

• Shift + Delete cut the content but does not paste the correct content when you use Ctrl + V